[gtk: 4/4] Merge branch 'matthiasc/for-master' into 'master'

[Matthias Clasen <matthiasc src gnome org>]

commit e6d5a3c4e8fe8c6b68e1bd8c2aa7c58883c3b6cd
Merge: 9dab51e7be e70ed905d1
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Sep 24 18:50:26 2020 +0000

    Merge branch 'matthiasc/for-master' into 'master'
    
    Matthiasc/for master
    
    Closes #3180, #3178, and #3179
    
    See merge request GNOME/gtk!2618

 gtk/gtkcolumnviewcell.c   | 55 +++++++++++++++++++++++++++++++++++++++++++----
 gtk/gtkcolumnviewcolumn.c | 18 ----------------
 gtk/gtkcolumnviewlayout.c |  6 ++++--
 gtk/gtkcolumnviewtitle.c  | 54 ++++++++++++++++++++++++++++++++++++++++++----
 gtk/gtklistitemwidget.c   | 11 ++++++----
 5 files changed, 112 insertions(+), 32 deletions(-)
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